What is the most important factor that increases blood flow through a tissue to meet that tissue's needs?

Question

Quizplus · Accepted Answer

When tissues have an increased need for oxygen and nutrients, they produce chemical signals (such as adenosine and nitric oxide) that cause the arterioles and pre-capillary sphincters to relax, allowing more blood flow into the capillaries of the tissue. This is known as local vasodilation and it is the primary factor that regulates blood flow to tissues. Choices A, B, and D are not correct because they either restrict blood flow or do not directly impact blood flow in the tissue.

What Is the Most Important Factor That Increases Blood Flow